If you watch The Apprentice, you may think that running a business is all about fast-talking and posing in designer clothes. In the real world, limousines and killer heels have little to do with creating a thriving enterprise. Commercial success stems, instead, from insight, courage and hard graft.
I’ve come across all these qualities and more in recent weeks, while getting to know four unsung heroes of British business. Rather than sitting in plate-glass buildings, they operate at the sharp end, plying their trade in prefabricated huts on drab industrial estates or even on their own kitchen tables.